php-zatca-xml this package handle the stage 2 of zatca for integration the tax and simpilified tax invoices. Installation composer require saleh7/php-zatca-xml Validation XML E-Invoice-specifications: https://zatca.gov.sa/en/E-Invoicing/SystemsDevelopers/Pages/E-Invoice-specifications.aspx https://zatca.gov.sa/ar/E-Invoicing/SystemsDevelopers/Documents/EInvoice_Data_Dictionary.xlsx https://zatca.gov.sa/ar/E-Invoicing/SystemsDevelopers/Documents/20220624_ZATCA_Electronic_Invoice_XML_Implementation_Standard_vF.pdf